Finding the Third Proportional to 129,903 and 194,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,903 : 194,872.50 = 194,872.50 : x
2. Step 2: Convert to fraction form
   129,903/194,872.50 = 194,872.50/x
3. Step 3: Cross multiply
   129,903x = 194,872.50 × 194,872.50
4. Step 4: Simplify right side
   129,903x = 37,975,291,256.25
5. Step 5: Solve for x
   x = 37,975,291,256.25/129,903
6. Step 6: Final answer
   x = 292,335.75